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- #!/bin/sh
- # vim: noexpandtab
- # Simple suspend script
- #
- # Copyright 2006 Red Hat, Inc.
- #
- # Based on work from:
- # Bill Nottingham <notting@redhat.com>
- # Peter Jones <pjones@redhat.com>
- # David Zeuthen <davidz@redhat.com>
- # Richard Hughes <richard@hughsie.com>
- #
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of version 2 of the GNU General Public License as
- # published by the Free Software Foundation.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program; if not, write to the Free Software
- # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- #
-
- # The rule here? Simplicity.
- export STASHNAME=pm-suspend
- export METHOD="$(echo ${0##*pm-} |tr - _)"
- . "/usr/lib/pm-utils/pm-functions"
-
- help()
- {
- echo "${0##*/} [options]"
- echo
- echo "Options can change how suspend or hibernate is done."
- run_hooks sleep help
- sleep_module_help
- exit 0
- }
-
- if [ "$(id -u)" != "0" ]; then
- echo This utility may only be run by the root user. 1>&2
- exit 1
- fi
-
- remove_suspend_lock()
- {
- release_lock "${STASHNAME}.lock"
- }
-
- try_lock "${STASHNAME}.lock" || exit 1
-
- # make sure we release the lock no matter how we exit
- trap remove_suspend_lock 0
-
- # clean up from the last run
- rm -rf "${STORAGEDIR}"
- mkdir -p "${STORAGEDIR}"
- # save our parameter list.
- [ -f "$PARAMETERS" ] || echo '' >"$PARAMETERS"
- add_parameters $PM_CMDLINE
- update_parameters
-
- while [ $# -gt 0 ]
- do
- [ "$1" = "--help" ] && help
- shift
- done
-
-
- command_exists "check_$METHOD" && command_exists "do_$METHOD" || {
- log "pm-utils does not know how to $METHOD on this system."
- exit 1
- }
-
- "check_$METHOD" || {
- log "This system does not support $METHOD as a sleep method."
- exit 1
- }
-
- case "$METHOD" in
- suspend*) ACTION=suspend; REVERSE=resume ;;
- hibernate) ACTION=hibernate; REVERSE=thaw ;;
- *) echo "Cannot happen. Please file a bug against pm-utils."
- exit 1 ;;
- esac
-
- init_logfile "${PM_LOGFILE}"
- log "Initial commandline parameters: $PM_CMDLINE"
- load_hook_blacklist
- load_hook_parameters
-
- # run the sleep hooks
- log "$(date): Running hooks for $ACTION."
- if run_hooks sleep "$ACTION $METHOD"; then
- # Sleep only if we know how and if a hook did not inhibit us.
- log "$(date): performing $METHOD"
- sync
- "do_$METHOD"
- log "$(date): Awake."
- else
- log "$(date): Inhibit found, will not perform $METHOD"
- fi
- log "$(date): Running hooks for $REVERSE"
- # run the sleep hooks in reverse with the wakeup action
- if run_hooks sleep "$REVERSE $METHOD" reverse; then
- log "$(date): Finished."
- else
- exit 1
- fi
-